Warfarin costs $4 to $15 for a 30-day supply without insurance. It is one of the least expensive blood thinners, though regular INR testing adds to overall treatment cost. WARFARIN (WAR far in) prevents and treats blood clots. It may also be used to lower the risk of stroke in people with AFib (atrial fibrillation) or heart valve replacement. Warfarin is a generic medication and has an average cost of $19. This article will look at the breakdown of these blood thinners, what each cost, and explain the most popular ones. Generic warfarin is covered by most Medicare and insurance plans, but some pharmacy coupons or cash prices may be lower. Get Warfarin for as low as $4.00, which is 74% off the average retail price of $15.19 for the most common version, by using a GoodRx coupon. Warfarin has been around for a long time, so it’s one of the most affordable blood thinners on the market. You can pay as little as $4.00 for a 30-day supply of generic warfarin with a free GoodRx discount. How much does warfarin cost? The retail price of warfarin is $20. Save up to $17 per fill off of the retail price. The price you pay for warfarin can vary. Your cost may depend on your treatment. Compare warfarin prices, print discount coupons, find manufacturer promotions, copay cards and patient assistance programs. Compare Warfarin (5mg) prices at CVS, Walgreens, Walmart, Kroger, Costco, Rite Aid, and Target. Cheapest cash price: $3.80 at Costco. No sign-up required. Warfarin is a generic medication, which is why it's a lot more affordable when compared to Eliquis and Xarelto, which are brand-name prescriptions. The chart also includes the cost for other commonly used blood thinner medications, such as Heparin, Enoxaparin, and Savaysa. Warfarin is a generic anticoagulant prescription drug used to prevent and treat blood clots. The average retail price of Warfarin is around $27.48 for 30, 5mg tablet of Warfarin. Pay as little as $4.00 for 30, 5mg tablets of generic Warfarin by using a SingleCare Warfarin coupon.